676420557 has 8 divisors (see below), whose sum is σ = 902033376. Its totient is φ = 450877392.

The previous prime is 676420553. The next prime is 676420561. The reversal of 676420557 is 755024676.

676420557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (676420553) and next prime (676420561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 676420557 - 2² = 676420553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676420553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12678 + ... + 38904.

It is an arithmetic number, because the mean of its divisors is an integer number (112754172).

Almost surely, 2^676420557 is an apocalyptic number.

It is an amenable number.

676420557 is a deficient number, since it is larger than the sum of its proper divisors (225612819).

676420557 is a wasteful number, since it uses less digits than its factorization.

676420557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34827.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 676420557 is about 26008.0863771251. The cubic root of 676420557 is about 877.8202582615.

The spelling of 676420557 in words is "six hundred seventy-six million, four hundred twenty thousand, five hundred fifty-seven".